101001011112 has 24 divisors (see below), whose sum is σ = 273544405290. Its totient is φ = 33667003680.

The previous prime is 101001011087. The next prime is 101001011113. The reversal of 101001011112 is 211110100101.

It can be written as a sum of positive squares in only one way, i.e., 83016591876 + 17984419236 = 288126^2 + 134106^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101001011094 and 101001011103.

It is not an unprimeable number, because it can be changed into a prime (101001011113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701395839 + ... + 701395982.

Almost surely, 2^101001011112 is an apocalyptic number.

101001011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101001011112 is an abundant number, since it is smaller than the sum of its proper divisors (172543394178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101001011112 is a wasteful number, since it uses less digits than its factorization.

101001011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402791833 (or 1402791826 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101001011112 its reverse (211110100101), we get a palindrome (312111111213).

The spelling of 101001011112 in words is "one hundred one billion, one million, eleven thousand, one hundred twelve".